Stropping-roller.



Patented Mar. 1, 1910.

M. H. AVRAM.

STROPPING ROLLER.

APPLICATION FILED JUNE 21, 1909. 950,527.

Fay. Z.

. j 25, 1909, under Serial No. 485,620.

'UNITED sTATEs PATENT onirica'.

MOIS H. v.AVItAlll/li, OF NEW YORK, N. Y., ASSIGNOR TO WONDER SALESCOMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

STROPPING-ROLLER.

Specification of Letters Patent.

` Original application iiled March 25, 1909, Serial No. 485,62'0.Divided and this application filed .Tune 21,

' 1909. Serial No. 503,493.

1'0 all 'whom it may concern.:

Be it known that I, Mois H. AVRAM, a citizen of the United States,residing at New York city, Manhattan; county of New York,`State of NewYork, have invented new and useful Improvements in Stropping- Rollers,of which the following is a specification.

This invention relates to a stropping roller of novel and simpleconstruction which is more particularly adapted to be used inconjunction with razor stropping machines and similar devices."

This application is a division of a copending application filed by me onMarch In the accompanying drawing: Figure 1 isa longitudinal sectionthrough a stropping roller embodying my invention; Fig. 2 a crosssection on line 2-2, Fig. 1, and Fig. 3- a cross section on line 3 3,Fig. 1, with the shell, cushion and covering omitted.

The stropping roller is composed of a pair of spaced parallel disks 10,l11 provided with integral cylindrical hubs 12, 13 respectivel Wh1ehembrace loosely a stationary ax e 14. Hub 12 is fitted into acorresponding bore Vof a bearing 15, a head 16 `formed on axle 14preventing an accidental disengagement of the hub from the latter'. Hub18 abutsl with its outer edge against a frame 17, to which axle 14 isfirmly secured by means of a nut 18 engaging the reduced threaded end 19of the axle. At their ripheries, disks 10, 11 are first turned 1nwardlyand then laterally to form doubled rims 2O, 21 and cylindrical flanges22, 23 respectively. Flanges 22, 23 which face each other are embracedby a cylindrical shell or barrel 24, which is of a length substantiallyequal to the distance between double rims 20,v 21. Shell 24 is providedwith a pair of convex inwardly extending resilient jaws 25 which areslightly spaced so asto form an intervening ga 26. -In ordertoaceommodate these jaws, flanges 23, 24 are partly cut away asillustrated in Fig. 3. Into gap 26 is adapted to be fitted a wedge orkey 27whieh comprises essentiallyy a comparatively narrow web 28 and a pair of opposed resilient clamp lates 29 which have the tendency tospreaapart. Plates 29 are concaved to correspond'substantially to thecurvature of jaws 25.

Shell 24 is covered by a layer of leather, canvas or other stroppingmaterial 30, said material also extending over jaws 25 so as to beengaged by the curved lates 29 of' key 27 (Fig. 2). If desired a ayer offelt or a similar soft material 31 may be interposed between shell 24and layer 30 to form a cushion for the latter.

In assembling the parts, layer 31 is first placed around shell 24 andjaws 25 whereupon layer 30 is placed above layer 31. After both of thesematerials have been drawn tightly around shell 24, clamp plates` 29 ofkey 27 are compressed and the latter is slipped into gap 2G. thus beenproperly positioned, layers 30, 31 will be forced against jaws 25 andthus be firmly held in place. The relative size and configuration of key27 should be such that after being brought into proper position, its web28 is slightly set back from the outer periphery of layer 80, asillustrated in Fig. 2.

It will be seen that my improved stropping roller is of simple andreliable construction and that its parts may be readily assembled.

I claim: l

1. A stropping roller comprising a pair of parallel spaced disks,flanges on the disks, a cylindrical shell engaging said flanges,inwardly vextending convex jaws formed on the shell, a coveringsurrounding said shell and jaws, and a concave key adapted to beinserted between the jawsf` 2. A stropping roller comprising a air ofparallel spaced disks, anges on the disks, a cylindrical shell engagingsaid anges, inwardly extending convex jaws formed on the shell, acovering surrounding said shell and jaws, and' a key having a pair ofconcave resilient clamping lates and adapted to be inserted betweent ejaws. f

3: A stropping roller comprising a stationary axle, a pair of angeddisks rotatable thereon, a shell carried by the diskflanges,- inwardlyextending curved jaws formed on the shell, a covering surrounding saidshell and jaws, and a concave key ladapted to be inserted between thejaws.

WVhen key 27 has'

